"Retiring and replacing Montana’s Colstrip Generating Station, an important supplier to Puget Sound Energy, could be distressingly complicated and costly, public officials and energy executives are finding."

"Federal scientists may have found a link between the 1989 Exxon Valdez oil spill and a decline of herring and pink salmon populations in Prince William Sound."

"Burning all the world’s deposits of coal, oil and natural gas would raise the temperature enough to melt the entire ice sheet covering Antarctica, driving the level of the sea up by more than 160 feet, scientists reported Friday."

"CSX Transportation moves up to five trains, each carrying 1 million gallons or more of a kind of crude oil, through Baltimore weekly, according to records released Wednesday by the Maryland Department of the Environment."

"A federal judge heard conflicting arguments Thursday on whether he should block a capacity expansion on the Alberta Clipper oil pipeline or allow a temporary workaround that lets Enbridge Energy move hundreds of thousands of barrels per day of Canadian tar sands crude across the border without triggering the kind of environmental review that has held up the proposed Keystone XL pipeline."

"A House subcommittee voted Thursday to lift the 40-year-old restriction on exporting crude oil, moving the legislation a significant step toward passage."

""Major business groups are in the midst of a coordinated, multimillion-dollar effort aimed at sowing opposition to the Obama administration’s smog pollution regulations."

"WASHINGTON — Workers reacted too slowly to stop a Gulf of Mexico well blowout that forced the evacuation of 44 people and ignited a fire that raged for two days in 2013, according to a federal investigation report released Thursday."

"One of the nation’s largest university systems announced it has shed some of its fossil fuel investment from its endowment and pension funds."

"Heat waves, extreme storms, wildfire and other effects of climate change pose major threats to the electric power systems in Native American communities across the country, most significantly in the West and Southwest, according to a new U.S. Department of Energy report."